Question

Assertion : Cell growth results in disturbing the ratio between the nucleus and cytoplasm.
Reason :: Mitosis helps the cell to restore the nudeo- cytoplasmic ratio.

• A. If both assertion and reason are true and reason is the correct explanation of assertion
• B. If both assertion and reason are true but reason is not the correct explanation of assertion
• C. If assertion is true but reason is false
• D. If both assertion and reason are false

Answer 1

Answer: (B)

The growth of multicellular organisms is due to mitosis. Cells functions are controlled by nucleus. The size of nucleus does not change, but cytoplasm increases during cell growth. Increase in size disturb the nudeocytoplasmic ratio. This ratio is restored to efficient level through cell division.